1brc
2brcv
3brcvc
4brc
5brcv
q2rcv
r2rcvc
s2rc
t2rcv
u2rcvc
ftscvc
gtsc
htscv
itscvc
jtsc
4jtc
5jtcv
6jtcvc
7jtc
8jtcv
taucv
uaucvc
vauc
waucv
xaucvc